计算2个时间相差多少天多少分钟多少秒

public static String getTimeDiffText2(Timestamp processTime, Timestamp planTime) {
    String titleText;
    Timestamp now = Time.now().toTimestamp();
    //未超时处理
    if (processTime != null && processTime.before(planTime)) {
        return null;
    } else if (processTime != null && processTime.after(planTime)) {
        titleText = "超时";
    } else if (processTime == null && now.before(planTime)) {
        titleText = "剩余";
    } else if (processTime == null && now.after(planTime)) {
        titleText = "超时";
    } else {
        return null;
    }
    processTime = processTime == null ? now : processTime;

    int seconds;
    int minutes;
    int hour;
    int day;
    int year;
    int minuteSeconds = 60;
    int hourSeconds = 60 * minuteSeconds;
    int daySeconds = 24 * hourSeconds;

    double totalSeconds = Time.when(processTime).between(Time.when(planTime.getTime())).toSeconds();
    day = (int) (totalSeconds / daySeconds);
    if (day > 0) {
        totalSeconds -= day * daySeconds;
    }
    hour = (int) (totalSeconds / hourSeconds);
    if (hour > 0) {
        totalSeconds -= hour * hourSeconds;
    }
    minutes = (int) (totalSeconds / minuteSeconds);
    if (minutes > 0) {
        totalSeconds -= minutes * minuteSeconds;
    }
    seconds = (int) totalSeconds;
    return titleText + day + "天" + hour + "小时" + minutes + "分钟" + seconds + "秒";
}

  public static void main(String[] args) {
        System.out.println(getTimeDiffText(null, new Timestamp(1666056045000L)));
    }